Cita APA (7th ed.)

Cohen, D., & Jeavons, P. (2006). The complexity of constraint languages.

Cita Chicago (17th ed.)

Cohen, D., i P. Jeavons. The Complexity of Constraint Languages. 2006.

Cita MLA (9th ed.)

Cohen, D., i P. Jeavons. The Complexity of Constraint Languages. 2006.

Atenció: Aquestes cites poden no estar 100% correctes.